| Black Tern(Chlidonias niger) |
| - - - Spring - - - |
|---|
| Number | Date | Location | Observer | Comment |
|---|
| 3,500 | 2004-05-17 | Big Stone County | Unzen | |
| 1,530 | 2022-05-16 | Lac qui Parle County, Big Stone NWR--Auto Tour Road,45.2548790,-96.3903820 | Marengo | Largest group of Black Terns I have ever seen. The terns we evenly distributed |
| 1,100 | 2018-05-13 | Lac qui Parle County | Eckert | minimum count by 10s at Big Stone NWR |
| 760 | 2020-05-14 | Goodhue County | Marengo | Significant migration today 230 on lake Pepin 190 at Sand Point 180 at Red Wi |
| 640 | 2015-05-15 | Jackson County, Heron Lake area,43.7188226,-95.2429247 | Bardon | |
| 500 | 2020-05-14 | Steele County, Armstrong Wetland Restoration,44.1456457,-93.0661988 | Schaut | This is a conservative count, but represents actual effort to count them. Well o |
| 400 | 2017-05-23 | Yellow Medicine County, Miedd Lake,44.6625484,-95.7561064 | Wee | Estimate, absurd groups of birds feeding over the water. Couldn't look out over |
| 350 | 2018-05-14 | Lyon County, Sham Lake,44.6188,-95.6597 | Kolbe | |
| 300 | 2012-05-30 | Marshall County | Joppru | Gregg Knutsen- ANWR |
| 250 | 2014-05-19 | Lyon County, Cottonwood Lake,44.6194,-95.6867981 | Wee | The lake was covered with them, from a distance it looked like a swarm of mosqui |
| 250 | 2006-05-22 | Marshall County | Svingen | Total of 250 BLTE at Tamarack Pool, Agassiz NWR. |
| 133 | 2009-05-15 | Nicollet County, Nicollet sewage ponds | Dunlap | |
| 85 | 2001-05-06 | Hennepin County | Marengo | |
| 75 | 1986-05-13 | Jackson County, Heron Lake | Tustison | |
| 70 | 2011-05-21 | Brown County | Smith | Estimated flock of 70 at the Sleepy Eye sewage ponds. |
| - - - Summer - - - |
|---|
| Number | Date | Location | Observer | Comment |
|---|
| 200 | 1994-07-23 | Big Stone County, Thielke Lake | Tustison | 200+ - all pl. - variable |
| 140 | 2024-07-23 | Roseau County, Roseau Sewage Lagoons,48.8696550,-95.7280397 | Meredith | |
| 130 | 2017-07-06 | Grant County, North Ottawa Impoundment,45.9856315,-96.2471008 | Hoekstra | |
| 127 | 2013-06-16 | Lac qui Parle County | Marengo | big stone nwr - auto tour road |
| 126 | 2019-07-26 | Lac qui Parle County, Salt Lake,44.9645052,-96.4437363 | Smith | |
| 125 | 2017-07-02 | Marshall County, Agassiz NWR,48.3504,-95.9501 | Kolbe | |
| 100 | 2016-07-28 | Marshall County, Agassiz NWR,48.3504,-95.9501 | Hengeveld | |
| 100 | 1998-07-30 | Meeker County, Co. Road 14 | Janssen | |
| 85 | 2000-07-23 | Anoka County, Carlos Avery | Tustison | + |
| 73 | 2008-07-18 | Big Stone County | Svingen | |
| - - - Fall - - - |
|---|
| Number | Date | Location | Observer | Comment |
|---|
| 440 | 2007-08-08 | Jackson County | Bardon | South Heron Lake |
| 175 | 2023-08-22 | Jackson County, South Heron Lake,43.7322823,-95.2463150 | Bardon | |
| 171 | 2022-08-19 | Grant County, North Ottawa Impoundment,45.9856315,-96.2471008 | Patterson | Counted via multiple slow, careful scans while looking north from the SE edge. |
| 163 | 2010-08-14 | Lac qui Parle County | Chu | Mehurin Twp., Salt Lake. All individuals counted were on the MN portion of the |
| 162 | 2008-08-23 | Lac qui Parle County | Svingen | |
| 150 | 2022-08-01 | Sherburne County, St. Francis Control Structure,45.5196309,-93.7526987 | Spaeth | Individuals counted using a 20-60x spotting scope. Large number of adults and ju |
| 150 | 2020-08-08 | Steele County, Armstrong Wetland Restoration,44.1456457,-93.0661988 | Hale | rough count. many juvs |
| 137 | 2018-09-03 | Lyon County, Sham Lake,44.6188,-95.6597 | Wee | Staging for migration I would assume, a large flock flew over from Cottonwood La |
| 115 | 2009-08-01 | Anoka County, Round Lake | Kieser | Average of 3 careful scans of the lake |
| 100 | 2017-08-02 | Brown County, Sleepy Eye Sewage Ponds | Williams | |
| 78 | 2014-09-01 | Marshall County, Flood control impoundment near Warren,48.1806579,-96.6525006 | Kraemer | all in one flock that flew quite low over the impoundment |
| |
| Breeds throughout, except far northeast. |
